4899987 has 16 divisors (see below), whose sum is σ = 7294080. Its totient is φ = 3251016.

The previous prime is 4899971. The next prime is 4899997. The reversal of 4899987 is 7899984.

It is not a de Polignac number, because 4899987 - 2⁴ = 4899971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4899907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9108 + ... + 9630.

It is an arithmetic number, because the mean of its divisors is an integer number (455880).

Almost surely, 2^4899987 is an apocalyptic number.

4899987 is a deficient number, since it is larger than the sum of its proper divisors (2394093).

4899987 is a wasteful number, since it uses less digits than its factorization.

4899987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 4899987 is about 2213.5914257152. The cubic root of 4899987 is about 169.8497750166.

It can be divided in two parts, 4899 and 987, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 4899987 in words is "four million, eight hundred ninety-nine thousand, nine hundred eighty-seven".